[Control of sugar beet weevil by soil disinfestation [Beta vulgaris L. - Emilia-Romagna]]

barbabietola da zucchero beta vulgaris biological control colture in serra concia delle sementi conorhynchus control de insectos controllo biologico controllo degli insetti cultivos de invernadero emilia romagna environmental impact field experimentation greenhouse crops impact sur l'environnement impacto ambiental impatto ambientale insect control insecte utile insecticidas insecticide insecticides insetti utili insetticidi laboratory experimentation lutte biologique mortalidad mortalite mortality plante de serre polygonaceae racine radici recubrimiento de semillas remolacha azucarera resistance to chemicals resistenza ai prodotti chimici roots seed dressing soil sterilization sugarbeet traitement phytosanitaire semences useful insects